289 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			289 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| import React from 'react';
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| import PropTypes from 'prop-types';
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| import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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| import { throttle } from 'lodash';
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| import classNames from 'classnames';
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| import { isFullscreen, requestFullscreen, exitFullscreen } from 'flavours/glitch/util/fullscreen';
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| 
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| const messages = defineMessages({
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|   play: { id: 'video.play', defaultMessage: 'Play' },
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|   pause: { id: 'video.pause', defaultMessage: 'Pause' },
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|   mute: { id: 'video.mute', defaultMessage: 'Mute sound' },
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|   unmute: { id: 'video.unmute', defaultMessage: 'Unmute sound' },
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|   hide: { id: 'video.hide', defaultMessage: 'Hide video' },
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|   expand: { id: 'video.expand', defaultMessage: 'Expand video' },
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|   close: { id: 'video.close', defaultMessage: 'Close video' },
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|   fullscreen: { id: 'video.fullscreen', defaultMessage: 'Full screen' },
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|   exit_fullscreen: { id: 'video.exit_fullscreen', defaultMessage: 'Exit full screen' },
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| });
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| 
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| const findElementPosition = el => {
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|   let box;
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| 
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|   if (el.getBoundingClientRect && el.parentNode) {
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|     box = el.getBoundingClientRect();
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|   }
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| 
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|   if (!box) {
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|     return {
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|       left: 0,
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|       top: 0,
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|     };
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|   }
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| 
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|   const docEl = document.documentElement;
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|   const body  = document.body;
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| 
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|   const clientLeft = docEl.clientLeft || body.clientLeft || 0;
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|   const scrollLeft = window.pageXOffset || body.scrollLeft;
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|   const left       = (box.left + scrollLeft) - clientLeft;
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| 
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|   const clientTop = docEl.clientTop || body.clientTop || 0;
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|   const scrollTop = window.pageYOffset || body.scrollTop;
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|   const top       = (box.top + scrollTop) - clientTop;
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| 
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|   return {
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|     left: Math.round(left),
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|     top: Math.round(top),
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|   };
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| };
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| 
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| const getPointerPosition = (el, event) => {
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|   const position = {};
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|   const box = findElementPosition(el);
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|   const boxW = el.offsetWidth;
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|   const boxH = el.offsetHeight;
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|   const boxY = box.top;
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|   const boxX = box.left;
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| 
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|   let pageY = event.pageY;
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|   let pageX = event.pageX;
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| 
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|   if (event.changedTouches) {
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|     pageX = event.changedTouches[0].pageX;
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|     pageY = event.changedTouches[0].pageY;
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|   }
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| 
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|   position.y = Math.max(0, Math.min(1, ((boxY - pageY) + boxH) / boxH));
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|   position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
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| 
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|   return position;
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| };
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| 
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| @injectIntl
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| export default class Video extends React.PureComponent {
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| 
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|   static propTypes = {
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|     preview: PropTypes.string,
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|     src: PropTypes.string.isRequired,
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|     alt: PropTypes.string,
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|     width: PropTypes.number,
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|     height: PropTypes.number,
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|     sensitive: PropTypes.bool,
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|     startTime: PropTypes.number,
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|     onOpenVideo: PropTypes.func,
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|     onCloseVideo: PropTypes.func,
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|     letterbox: PropTypes.bool,
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|     fullwidth: PropTypes.bool,
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|     intl: PropTypes.object.isRequired,
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|   };
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| 
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|   state = {
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|     progress: 0,
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|     paused: true,
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|     dragging: false,
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|     fullscreen: false,
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|     hovered: false,
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|     muted: false,
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|     revealed: !this.props.sensitive,
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|   };
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| 
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|   setPlayerRef = c => {
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|     this.player = c;
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|   }
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| 
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|   setVideoRef = c => {
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|     this.video = c;
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|   }
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| 
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|   setSeekRef = c => {
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|     this.seek = c;
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|   }
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| 
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|   handlePlay = () => {
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|     this.setState({ paused: false });
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|   }
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| 
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|   handlePause = () => {
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|     this.setState({ paused: true });
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|   }
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| 
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|   handleTimeUpdate = () => {
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|     this.setState({ progress: 100 * (this.video.currentTime / this.video.duration) });
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|   }
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| 
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|   handleMouseDown = e => {
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|     document.addEventListener('mousemove', this.handleMouseMove, true);
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|     document.addEventListener('mouseup', this.handleMouseUp, true);
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|     document.addEventListener('touchmove', this.handleMouseMove, true);
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|     document.addEventListener('touchend', this.handleMouseUp, true);
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| 
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|     this.setState({ dragging: true });
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|     this.video.pause();
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|     this.handleMouseMove(e);
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|   }
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| 
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|   handleMouseUp = () => {
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|     document.removeEventListener('mousemove', this.handleMouseMove, true);
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|     document.removeEventListener('mouseup', this.handleMouseUp, true);
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|     document.removeEventListener('touchmove', this.handleMouseMove, true);
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|     document.removeEventListener('touchend', this.handleMouseUp, true);
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| 
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|     this.setState({ dragging: false });
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|     this.video.play();
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|   }
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| 
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|   handleMouseMove = throttle(e => {
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|     const { x } = getPointerPosition(this.seek, e);
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|     this.video.currentTime = this.video.duration * x;
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|     this.setState({ progress: x * 100 });
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|   }, 60);
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| 
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|   togglePlay = () => {
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|     if (this.state.paused) {
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|       this.video.play();
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|     } else {
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|       this.video.pause();
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|     }
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|   }
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| 
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|   toggleFullscreen = () => {
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|     if (isFullscreen()) {
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|       exitFullscreen();
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|     } else {
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|       requestFullscreen(this.player);
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|     }
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|   }
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| 
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|   componentDidMount () {
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|     document.addEventListener('fullscreenchange', this.handleFullscreenChange, true);
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|     document.addEventListener('webkitfullscreenchange', this.handleFullscreenChange, true);
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|     document.addEventListener('mozfullscreenchange', this.handleFullscreenChange, true);
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|     document.addEventListener('MSFullscreenChange', this.handleFullscreenChange, true);
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|   }
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| 
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|   componentWillUnmount () {
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|     document.removeEventListener('fullscreenchange', this.handleFullscreenChange, true);
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|     document.removeEventListener('webkitfullscreenchange', this.handleFullscreenChange, true);
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|     document.removeEventListener('mozfullscreenchange', this.handleFullscreenChange, true);
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|     document.removeEventListener('MSFullscreenChange', this.handleFullscreenChange, true);
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|   }
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| 
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|   handleFullscreenChange = () => {
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|     this.setState({ fullscreen: isFullscreen() });
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|   }
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| 
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|   handleMouseEnter = () => {
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|     this.setState({ hovered: true });
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|   }
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| 
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|   handleMouseLeave = () => {
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|     this.setState({ hovered: false });
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|   }
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| 
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|   toggleMute = () => {
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|     this.video.muted = !this.video.muted;
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|     this.setState({ muted: this.video.muted });
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|   }
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| 
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|   toggleReveal = () => {
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|     if (this.state.revealed) {
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|       this.video.pause();
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|     }
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| 
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|     this.setState({ revealed: !this.state.revealed });
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|   }
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| 
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|   handleLoadedData = () => {
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|     if (this.props.startTime) {
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|       this.video.currentTime = this.props.startTime;
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|       this.video.play();
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|     }
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|   }
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| 
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|   handleProgress = () => {
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|     if (this.video.buffered.length > 0) {
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|       this.setState({ buffer: this.video.buffered.end(0) / this.video.duration * 100 });
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|     }
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|   }
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| 
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|   handleOpenVideo = () => {
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|     this.video.pause();
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|     this.props.onOpenVideo(this.video.currentTime);
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|   }
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| 
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|   handleCloseVideo = () => {
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|     this.video.pause();
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|     this.props.onCloseVideo();
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|   }
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| 
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|   render () {
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|     const { preview, src, width, height, startTime, onOpenVideo, onCloseVideo, intl, alt, letterbox, fullwidth } = this.props;
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|     const { progress, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state;
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| 
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|     return (
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|       <div className={classNames('video-player', { inactive: !revealed, inline: !fullscreen, fullscreen, letterbox, 'full-width': fullwidth })} ref={this.setPlayerRef} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
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|         <video
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|           ref={this.setVideoRef}
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|           src={src}
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|           poster={preview}
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|           preload={startTime ? 'auto' : 'none'}
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|           loop
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|           role='button'
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|           tabIndex='0'
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|           aria-label={alt}
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|           width={width}
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|           height={height}
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|           onClick={this.togglePlay}
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|           onPlay={this.handlePlay}
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|           onPause={this.handlePause}
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|           onTimeUpdate={this.handleTimeUpdate}
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|           onLoadedData={this.handleLoadedData}
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|           onProgress={this.handleProgress}
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|         />
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| 
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|         <button className={classNames('video-player__spoiler', { active: !revealed })} onClick={this.toggleReveal}>
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|           <span className='video-player__spoiler__title'><FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' /></span>
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|           <span className='video-player__spoiler__subtitle'><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span>
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|         </button>
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| 
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|         <div className={classNames('video-player__controls', { active: paused || hovered })}>
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|           <div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}>
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|             <div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} />
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|             <div className='video-player__seek__progress' style={{ width: `${progress}%` }} />
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| 
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|             <span
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|               className={classNames('video-player__seek__handle', { active: dragging })}
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|               tabIndex='0'
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|               style={{ left: `${progress}%` }}
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|             />
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|           </div>
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| 
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|           <div className='video-player__buttons left'>
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|             <button aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} onClick={this.togglePlay}><i className={classNames('fa fa-fw', { 'fa-play': paused, 'fa-pause': !paused })} /></button>
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|             <button aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} onClick={this.toggleMute}><i className={classNames('fa fa-fw', { 'fa-volume-off': muted, 'fa-volume-up': !muted })} /></button>
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|             {!onCloseVideo && <button aria-label={intl.formatMessage(messages.hide)} onClick={this.toggleReveal}><i className='fa fa-fw fa-eye' /></button>}
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|           </div>
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| 
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|           <div className='video-player__buttons right'>
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|             {(!fullscreen && onOpenVideo) && <button aria-label={intl.formatMessage(messages.expand)} onClick={this.handleOpenVideo}><i className='fa fa-fw fa-expand' /></button>}
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|             {onCloseVideo && <button aria-label={intl.formatMessage(messages.close)} onClick={this.handleCloseVideo}><i className='fa fa-fw fa-times' /></button>}
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|             <button aria-label={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} onClick={this.toggleFullscreen}><i className={classNames('fa fa-fw', { 'fa-arrows-alt': !fullscreen, 'fa-compress': fullscreen })} /></button>
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|           </div>
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|         </div>
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|       </div>
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|     );
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|   }
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| 
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| }
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